| Acronym | Meaning |
| ESVS | Escape System Ventilation System |
| CVAS | Configuration Verification Accounting System |
| CO | Cargo Operations (KSC Directorate) |
| VLS | Vandenberg Launch And Landing Site |
| OAS | Orbiter Atmospheric Simulator |
| IP | Intermediate Pressure |
| MCC-K | Mission Control Center-Kennedy |
| SEC | Source Evaluation Committee |
| TV | Thrust Vector |
| PRSD | Power Reactant Storage And Distribution |